Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
canh trinh » canh tranh, hanh trinh, canh tinh
trinh van » trinh han, trinh quan, trinh toan
van thong » van thuong, van phong, va thong
ho chieu » theo chieu, hoc thieu, doi chieu
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
phan cac » nhan cach, phan dau, phan lap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sang - canh trinh van thong ((cong dan) or (cong tan)) phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - canh trinh van thong ((cong dan) OR (cong tan)) phan cac.
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - canh trinh van thong ((cong dan) or (cong tan)) phan cac*.